Probing compact dark matter objects with microlensing in gravitationally lensed quasars

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Volume 673 (May 2023)

A&A, 673 (2023) A88

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Table 1.

Properties of the chosen lensed quasar systems along with the references for their lensing parameters.

System	z_s	z_l	R_E [10¹⁶ cm]	R_1/2 [10¹⁶cm]	Image	κ	κ_*	γ	ℳ [mag]	Reference
HE1104	2.32	0.73	1.933	0.668	`A`	0.648	0.125	0.605	−1.540	The current work
					`B`	0.332	0.019	0.290	−1.103

HE0435	1.69	0.46	2.406	0.885	`A`	0.473	0.164	0.358	−2.063
					`B`	0.630	0.227	0.540	−2.026	Chen et al. (2019)
					`C`	0.494	0.165	0.327	−2.066
					`D`	0.686	0.260	0.575	−1.586

RXJ1131	0.66	0.29	2.081	1.685	`A`	0.526	0.226	0.410	−3.118
					`B`	0.459	0.199	0.412	−1.926	Chen et al. (2019)
					`C`	0.487	0.201	0.306	−2.276
					`D`	0.894	0.519	0.807	−0.493

WFI2033	1.66	0.66	1.939	0.898	`B`	0.445	0.145	0.208	−1.443	Rusu et al. (2020)
					`C`	0.792	0.396	0.538	−1.522

PG1115	1.72	0.31	2.959	0.872	`B`	0.502	0.166	0.811	−0.968	Chen et al. (2019)
					`C`	0.356	0.072	0.315	−1.252

J1206	1.79	0.85	1.671	0.843	`A`	0.656	0.095	0.685	−1.137	Birrer et al. (2019)
					`B`	0.401	0.020	0.364	−1.613

Notes. From left to right, we give: the name of the system in the sample, source redshift, z_s, lens redshift, z_l, Einstein radius, R_E, half-light radius of the lensed quasar disk, R_1/2, as computed in Eq. (5), chosen images for each system, total convergence κ, stellar convergence, κ_*, total shear, γ, macro-magnification, ℳ, using Eq. (2), and the reference for the lens models. The Einstein radius of the microlenses R_E is calculated following Eq. (4), with ⟨M_*⟩ = 0.2 M_⊙ and assuming a Salpeter IMF.

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